large handful fresh basil leaves, roughly chopped, to serve
1 head Romaine lettuce, cut into chunks
300g/10½oz dried macaroni
40²µ/1¾´Ç³ú plain flour
1 tbsp wholegrain mustard
sea salt and freshly ground black pepper
75g/3oz fresh breadcrumbs
½ tsp freshly grated nutmeg, or to taste
3 tbsp olive oil
1 tbsp white wine vinegar
40²µ/1¾´Ç³ú butter
100²µ/3½´Ç³ú Caerphilly, grated
150²µ/5½´Ç³ú cheddar, grated
100²µ/3½´Ç³ú blue cheese, preferably mild gorgonzola, grated or finely diced
500ml/18fl oz milk
100²µ/3½´Ç³ú mozzarella, chopped
25g/1oz freshly grated Parmesan
90g/3oz pancetta, chopped